AU2021460338A1 - Backup power supply and operating method therefor - Google Patents

Backup power supply and operating method therefor Download PDF

Info

Publication number
AU2021460338A1
AU2021460338A1 AU2021460338A AU2021460338A AU2021460338A1 AU 2021460338 A1 AU2021460338 A1 AU 2021460338A1 AU 2021460338 A AU2021460338 A AU 2021460338A AU 2021460338 A AU2021460338 A AU 2021460338A AU 2021460338 A1 AU2021460338 A1 AU 2021460338A1
Authority
AU
Australia
Prior art keywords
power supply
power
sub
switch
alternating current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
AU2021460338A
Other languages
English (en)
Inventor
Wei Gu
Zichen HU
Jin Wen
Qihui XU
Xinyu Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Envision Energy Co Ltd
Original Assignee
Envision Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Envision Energy Co Ltd filed Critical Envision Energy Co Ltd
Publication of AU2021460338A1 publication Critical patent/AU2021460338A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
AU2021460338A 2021-08-17 2021-08-17 Backup power supply and operating method therefor Pending AU2021460338A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/112916 WO2023019418A1 (zh) 2021-08-17 2021-08-17 一种备用电源及其运行方法

Publications (1)

Publication Number Publication Date
AU2021460338A1 true AU2021460338A1 (en) 2024-02-29

Family

ID=80708434

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021460338A Pending AU2021460338A1 (en) 2021-08-17 2021-08-17 Backup power supply and operating method therefor

Country Status (6)

Country Link
US (1) US20240332968A1 (zh)
EP (1) EP4391295A1 (zh)
CN (1) CN114223105B (zh)
AU (1) AU2021460338A1 (zh)
MX (1) MX2024002163A (zh)
WO (1) WO2023019418A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114498907B (zh) * 2022-04-08 2022-07-15 中山大洋电机股份有限公司 双电源供电的电器设备使用的直流无刷电机及控制方法
CN118214135A (zh) * 2024-03-20 2024-06-18 帝森克罗德集团有限公司 双电源网络输送电能方法和双电源网络输送电能系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102593832B (zh) * 2012-03-15 2014-04-02 武汉大学 一种适用于现代楼宇的三线制直流微网系统及其控制方法
CN104393666B (zh) * 2014-11-26 2017-02-01 中国联合网络通信集团有限公司 一种数据中心的供电系统
CN105226804A (zh) * 2015-10-10 2016-01-06 中国人民解放军装甲兵工程学院 一种适用于航天移动测控的车载微电网系统
CN206685965U (zh) * 2017-04-24 2017-11-28 无锡烯晶碳能新材料科技有限公司 一种直流电源系统
CN109066964A (zh) * 2018-08-29 2018-12-21 微控物理储能研究开发（深圳）有限公司 飞轮储能与在线式高频双变换ups集成系统、控制方法
CN112821547A (zh) * 2021-03-29 2021-05-18 广东电网有限责任公司电力科学研究院 一种应急供电电源及控制方法

Also Published As

Publication number Publication date
EP4391295A1 (en) 2024-06-26
US20240332968A1 (en) 2024-10-03
MX2024002163A (es) 2024-03-08
WO2023019418A1 (zh) 2023-02-23
CN114223105A (zh) 2022-03-22
CN114223105B (zh) 2023-10-17

Similar Documents

Publication Publication Date Title
CN201247964Y (zh) 变桨距系统电源
KR20140060401A (ko) 독립형 마이크로그리드 제어 시스템 및 그 제어방법
CN103050995A (zh) 一种微电网试验系统
EP4391295A1 (en) Backup power supply and operating method therefor
US9257859B2 (en) Dynamic battery control based on demand
CN111917170A (zh) 用于储能电站与数据中心负荷的融合供电装置
CN102496961A (zh) 一种基于直流母线的风电独立电网系统
CN202405799U (zh) 一种基于直流母线的风电独立电网系统
CN219611404U (zh) 风力发电机组的备用电源系统及风力发电机组
CN113852186A (zh) 一种发电系统的后备电源及其运行方法
CN218678462U (zh) 储能变流装置、储能系统及新能源发电系统
JP2003092831A (ja) 電力供給システムおよびその運転方法
KR20230069020A (ko) 연료 전지 시스템 기반 마이크로그리드의 전력 관리
Mattern et al. Application of inverter-based systems for peak shaving and reactive power management
Shengtie et al. Coordination control of energy management for stand-alone wind/pv hybrid systems
Klumpner et al. Selecting the power electronic interface for a supercapattery based energy storage system
JPS6270918A (ja) 燃料電池発電システムの運転方法
CN113725907A (zh) 用于发电系统的辅助电源及相应发电系统
CN219247532U (zh) 风力发电机组的备用电源系统及风力发电机组
CN114142533B (zh) 一种海上浮式氢工厂的能量调度方法和装置
CN219123981U (zh) 风力发电机组的备用电源系统及风力发电机组
CN221995133U (zh) 应用于风力发电机组的后备电源系统及风力发电机组
CN111446736A (zh) 一种风电机组控制系统逆变应急电源装置
Zhan et al. The design of a fuel-cell-based power-quality control center to realize unbundled power-quality supply
CN219018477U (zh) 风力发电机组的备用电源系统及风力发电机组